package com.whale.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;

import com.whale.constant.MessageConstant;
import com.whale.constant.PasswordConstant;
import com.whale.constant.StatusConstant;
import com.whale.dto.EmployeeDTO;
import com.whale.dto.EmployeeLoginDTO;
import com.whale.dto.EmployeePageQueryDTO;
import com.whale.entity.Employee;
import com.whale.exception.AccountLockedException;
import com.whale.exception.AccountNotFoundException;
import com.whale.exception.PasswordErrorException;
import com.whale.mapper.EmployeeMapper;
import com.whale.result.PageResult;
import com.whale.service.EmployeeService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.util.List;

@Service
public class EmployeeServiceImpl implements EmployeeService {

    @Autowired
    private EmployeeMapper employeeMapper;

    /**
     * 员工登录
     *
     * @param employeeLoginDTO
     * @return
     */
    public Employee login(EmployeeLoginDTO employeeLoginDTO) {
        String username = employeeLoginDTO.getUsername();
        String password = employeeLoginDTO.getPassword();

        //1、根据用户名查询数据库中的数据
        Employee employee = employeeMapper.getByUsername(username);

        //2、处理各种异常情况（用户名不存在、密码不对、账号被锁定）
        if (employee == null) {
            //账号不存在
            throw new AccountNotFoundException(MessageConstant.ACCOUNT_NOT_FOUND);
        }

        //密码比对
        password=DigestUtils.md5DigestAsHex(password.getBytes());
        if (!password.equals(employee.getPassword())) {
            //密码错误
            throw new PasswordErrorException(MessageConstant.PASSWORD_ERROR);
        }

        if (employee.getStatus() == StatusConstant.DISABLE) {
            //账号被锁定
            throw new AccountLockedException(MessageConstant.ACCOUNT_LOCKED);
        }

        //3、返回实体对象
        return employee;
    }

    /**
     * 新增员工
     * @param employeeDTO
     */
    @Override
    public void save(EmployeeDTO employeeDTO) {

      Employee employee=new Employee();
    //对象属性拷贝
        BeanUtils.copyProperties(employeeDTO,employee);
    //设置账号状态，默认正常状态为1，锁定状态位0
        employee.setStatus(StatusConstant.ENABLE);

    // 设置密码，默认状态为123456
        employee.setPassword(DigestUtils.md5DigestAsHex(PasswordConstant.DEFAULT_PASSWORD.getBytes()));
//    // 设置创建时间和修改时间
//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());
////     设置当前记录人创建人id和修改人id
//
//        employee.setCreateUser(BaseContext.getCurrentId());
//        employee.setUpdateUser(BaseContext.getCurrentId());

        employeeMapper.insert(employee);
    }

    /**
     * 分页查询
     * @param employeePageQueryDTO
     * @return
     */
    @Override
    public PageResult pageQuery(EmployeePageQueryDTO employeePageQueryDTO) {

        //开始分页查询
        PageHelper.startPage(employeePageQueryDTO.getPage(),employeePageQueryDTO.getPageSize());

        Page<Employee> page=employeeMapper.pageQuery(employeePageQueryDTO);

        long total=page.getTotal();
        List<Employee> records=page.getResult();

        return new PageResult(total,records);
    }

    /**
     * 启用禁用员工账号
     * @param status
     * @param id
     */
    @Override
    public void starorstop(Integer status, Long id) {
        Employee employee = Employee.builder()
                .status(status)
                .id(id)
                .build();
        employeeMapper.update(employee);

    }

    /**
     * 根据id查询员工
     * @param id
     * @return
     */
    @Override
    public Employee getById(Long id) {
        Employee employee=employeeMapper.getById(id);
        employee.setPassword("****");
        return employee;
    }

    /**
     * 编剧员工信息
     * @param employeeDTO
     * @return
    */
   @Override
   public void update(EmployeeDTO employeeDTO) {
       Employee employee=new Employee();
       BeanUtils.copyProperties(employeeDTO,employee);

//       employee.setUpdateTime(LocalDateTime.now());
//       employee.setUpdateUser(BaseContext.getCurrentId());
       employeeMapper.update(employee);



    }


}
